cvs commit: jakarta-tomcat-jasper/jasper2/src/share/org/apache/jasper/runtime JspContextWrapper.java

[ki...@apache.org]

kinman      2002/08/12 15:55:39

  Added:       jasper2/src/share/org/apache/jasper/runtime
                        JspContextWrapper.java
  Log:
  - Forgot to add this one.
  
  Revision  Changes    Path
  1.1                  jakarta-tomcat-jasper/jasper2/src/share/org/apache/jasper/runtime/JspContextWrapper.java
  
  Index: JspContextWrapper.java
  ===================================================================
  /*
   * $Header: /home/cvs/jakarta-tomcat-jasper/jasper2/src/share/org/apache/jasper/runtime/JspContextWrapper.java,v 1.1 2002/08/12 22:55:39 kinman Exp $
   * $Revision: 1.1 $
   * $Date: 2002/08/12 22:55:39 $
   *
   * ====================================================================
   *
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 1999 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution, if
   *    any, must include the following acknowlegement:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowlegement may appear in the software itself,
   *    if and wherever such third-party acknowlegements normally appear.
   *
   * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived
   *    from this software without prior written permission. For written
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache"
   *    nor may "Apache" appear in their names without prior written
   *    permission of the Apache Group.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   */
  
  package org.apache.jasper.runtime;
  
  import java.io.IOException;
  
  import java.util.Enumeration;
  import java.util.Hashtable;
  
  import javax.servlet.Servlet;
  import javax.servlet.ServletConfig;
  import javax.servlet.ServletContext;
  import javax.servlet.ServletRequest;
  import javax.servlet.ServletResponse;
  import javax.servlet.ServletException;
  import javax.servlet.http.HttpSession;
  
  import javax.servlet.jsp.JspContext;
  import javax.servlet.jsp.PageContext;
  import javax.servlet.jsp.JspWriter;
  import javax.servlet.jsp.tagext.BodyContent;
  import javax.servlet.jsp.JspException;
  import javax.servlet.jsp.el.ExpressionEvaluator;
  
  /**
   * A wrapper class for PageContext class used for providing a tempory
   * page scope for invoking a fragment
   *
   * @author Kin-man Chung
   */
  public class JspContextWrapper extends PageContext {
  
      private PageContext pageContext;
      private transient Hashtable	pageAttributes;
  
      public JspContextWrapper(JspContext jspContext) {
          this.pageContext = (PageContext) jspContext;
  	this.pageAttributes = new Hashtable(16);
      }
  
      public void initialize(Servlet servlet, ServletRequest request,
                             ServletResponse response, String errorPageURL,
                             boolean needsSession, int bufferSize,
                             boolean autoFlush)
          throws IOException, IllegalStateException, IllegalArgumentException
      {
      }
      
      public Object getAttribute(String name) {
  	return pageAttributes.get(name);
      }
  
      public Object getAttribute(String name, int scope) {
  	if (scope == PAGE_SCOPE) {
  	    return pageAttributes.get(name);
  	}
  
  	return pageContext.getAttribute(name, scope);
      }
  
      public void setAttribute(String name, Object attribute) {
  	pageAttributes.put(name, attribute);
      }
  
      public void setAttribute(String name, Object o, int scope) {
  	if (scope == PAGE_SCOPE) {
  	    pageAttributes.put(name, o);
  	} else {
  	    pageContext.setAttribute(name, o, scope);
  	}
      }
  
      public Object findAttribute(String name) {
          Object o = pageAttributes.get(name);
          if (o != null)
              return o;
  
  	return pageContext.findAttribute(name);
      }
  
      public void removeAttribute(String name, int scope) {
  	if (scope == PAGE_SCOPE){
  	    pageAttributes.remove(name);
  	} else {
  	    pageContext.removeAttribute(name, scope);
  	}
      }
  
      public void removeAttribute(String name) {
  	removeAttribute(name, PAGE_SCOPE);
  	pageContext.removeAttribute(name);
      }
  
      public int getAttributesScope(String name) {
  	if (pageAttributes.get(name) != null) {
  	    return PAGE_SCOPE;
  	} else {
  	    return pageContext.getAttributesScope(name);
  	}
      }
  
      public Enumeration getAttributeNamesInScope(int scope) {
          if (scope == PAGE_SCOPE) {
              return pageAttributes.keys();
  	}
  
  	return pageContext.getAttributeNamesInScope(scope);
      }
  
      public void release() {
  	pageContext.release();
      }
  
      public JspWriter getOut() {
  	return pageContext.getOut();
      }
  
      public HttpSession getSession() {
  	return pageContext.getSession();
      }
  
      public Object getPage() {
  	return pageContext.getPage();
      }
  
      public ServletRequest getRequest() {
  	return pageContext.getRequest();
      }
  
      public ServletResponse getResponse() {
  	return pageContext.getResponse();
      }
  
      public Exception getException() {
  	return pageContext.getException();
      }
  
      public ServletConfig getServletConfig() {
  	return pageContext.getServletConfig();
      }
  
      public ServletContext getServletContext() {
  	return pageContext.getServletContext();
      }
  
      public void forward(String relativeUrlPath)
          throws ServletException, IOException
      {
  	pageContext.forward(relativeUrlPath);
      }
  
      public void include(String relativeUrlPath)
  	throws ServletException, IOException
      {
  	pageContext.include(relativeUrlPath);
      }
  
      public BodyContent pushBody() {
  	return pageContext.pushBody();
      }
  
      public JspWriter popBody() {
          return pageContext.popBody();
      }
  
      public ExpressionEvaluator getExpressionEvaluator() {
  	return pageContext.getExpressionEvaluator();
      }
  
      public void handlePageException(Exception ex)
          throws IOException, ServletException 
      {
  	// Should never be called since handleException() called with a
  	// Throwable in the generated servlet.
  	handlePageException((Throwable) ex);
      }
  
      public void handlePageException(Throwable t)
          throws IOException, ServletException 
      {
  	pageContext.handlePageException(t);
      }
  }
  
  
  

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